12 O'Clock High Customized and Handmade Aircraft Models

The F-111F was the final F-111 variant produced for Tactical Air Command, with a modern, but less expensive, Mark IIB avionics system.[106] The USAF approved development of the variant in 1969. It also included the more powerful TF30-P-100 engine and strengthened wing carry through box. 106 were produced between 1970 and 1976.